Karishma Instruments Pvt. Ltd. Supplies Oil Trace Monitor. Karishma Instruments Pvt. Ltd. Manufactures Laboratory Turbidity Meter, On-line Turbidity Meter, Fluorescence Meter, and Absorption Meter etc. The Oil Trace Monitor Monitoring of oil separators on drilling platforms and ships, Produced water monitoring, Detection of oil leakage into cooling water, Detection of oil in condensate and boiler feed water, Monitoring of drinking water.